Mathematics, 26.08.2019 19:20 7obadiah

Which of the following expressions is equivalent to a + (-b)
a. (-b) + a
b. b + (-a)
c. (-a) + b
d. none of the above
!

Answers: 1

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 16:00, ashl3yisbored

Determine the mean and variance of the random variable with the following probability mass function. f(x)=( 729divided by 91) (1 divided by 9) superscript x baseline comma x equals 1,2,3 round your answers to three decimal places (e. g. 98.765).

Answers: 3

continue

Mathematics, 21.06.2019 22:30, habah2062

I’ve been trying all day to figure this puzzle out. i need the work for it aswell. it is a factoring polynomials tarsia. the image is below.

Answers: 3

continue

Mathematics, 21.06.2019 23:10, mafip1ug

What is the radius of the cone in the diagram? round your answer to the nearest whole number

Answers: 2

continue

Mathematics, 22.06.2019 00:30, skittles181927

Paula makes stained-glass windows and sells them to boutique stores. if her costs total $12,000 per year plus $4 per window for the frame. how many windows must she produce to earn a profit of at least $48,000 in one year if she sells the windows for $28 each? 1. define a variable for the situation. 2. write an inequality that represents her profit. note: revenue is money coming in. cost is money going out. profit is the difference between the revenue and the cost. in other words: revenue - costs profit 3.using words, describe how many windows she must sell to have a profit of at least $48,000.

Answers: 1

continue

You know the right answer?

Which of the following expressions is equivalent to a + (-b)
a. (-b) + a
b. b + (-a)